It was narrated from Abu Hurairah that the Messenger of Allah (ﷺ) said:

“Shall I not tell you of that by means of which Allah erases sins and raises (people) in status? Doing Wudu’ properly [1] even when it is inconvenient, taking a lot of steps to the Masjid, and waiting for one Salah after another. That is the Ribat for you, that is the Ribat for you, that is the Ribat for you.” [1] Isbagh Al-Wudu’

“The Messenger of Allah (ﷺ) said: ‘Do Wudu’ properly.'” [1] [1] Isbighu Al-Wudu’. And this narration supports the claim that some of them used this expression to mean “three times” for each limb, rather than “properly.”